MX9207151A - Procedimiento para la obtencion de isocianatos - Google Patents

Procedimiento para la obtencion de isocianatos

Info

Publication number
MX9207151A
MX9207151A MX9207151A MX9207151A MX9207151A MX 9207151 A MX9207151 A MX 9207151A MX 9207151 A MX9207151 A MX 9207151A MX 9207151 A MX9207151 A MX 9207151A MX 9207151 A MX9207151 A MX 9207151A
Authority
MX
Mexico
Prior art keywords
procedure
obtaining isocyanates
isocyanates
obtaining
Prior art date
Application number
MX9207151A
Other languages
English (en)
Inventor
Javier Calvo Arribas
Ciriaco Domingo Arribas
Salvador Vidal Rodriguez
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of MX9207151A publication Critical patent/MX9207151A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/90—Particular type of heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S528/902—Particulate material prepared from an isocyanate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
MX9207151A 1991-12-23 1992-12-10 Procedimiento para la obtencion de isocianatos MX9207151A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4142769A DE4142769A1 (de) 1991-12-23 1991-12-23 Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes

Publications (1)

Publication Number Publication Date
MX9207151A true MX9207151A (es) 1993-06-01

Family

ID=6448018

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9207151A MX9207151A (es) 1991-12-23 1992-12-10 Procedimiento para la obtencion de isocianatos

Country Status (10)

Country Link
US (1) US5354432A (es)
EP (1) EP0548685B1 (es)
JP (1) JP2916846B2 (es)
KR (1) KR100230708B1 (es)
BR (1) BR9205129A (es)
CA (1) CA2085947A1 (es)
DE (2) DE4142769A1 (es)
ES (1) ES2089353T3 (es)
MX (1) MX9207151A (es)
TW (1) TW330197B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430951C1 (de) * 1994-08-31 1996-05-23 Bayer Ag Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett
DE10260027A1 (de) * 2002-12-19 2004-07-08 Basf Ag Verfahren zur Abtrennung und Reinigung von Lösungsmittel von einem Reaktionsgemisch aus einer Isocyanatsynthese
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate
DE102006060181A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
DE102007020444A1 (de) 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
EP2197836B1 (de) 2007-08-31 2013-04-24 Basf Se Verfahren zur herstellung von isocyanaten
EP2872481B1 (de) 2012-07-11 2016-08-24 Covestro Deutschland AG Verfahren zur aufarbeitung von destillationsrückständen aus der isocyanatherstellung
KR20160044473A (ko) 2013-08-19 2016-04-25 코베스트로 도이칠란트 아게 이소시아네이트 제조로부터의 증류 잔류물로부터 유기 이소시아네이트를 수득하는 방법
KR102596786B1 (ko) * 2016-12-21 2023-11-02 코베스트로 도이칠란트 아게 이소시아네이트를 제조하는 방법
EP3597632A1 (de) * 2018-07-18 2020-01-22 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
EP3960728A1 (de) 2020-08-24 2022-03-02 Covestro Deutschland AG Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung
EP4335839A1 (de) * 2022-09-09 2024-03-13 Covestro Deutschland AG Verfahren zur behandlung von rückständen aus der produktion organischer isocyanate

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889257A (en) * 1956-05-17 1959-06-02 Du Pont Distillation of tar residues
US3884951A (en) * 1968-09-11 1975-05-20 Exxon Research Engineering Co Thioether isocyanate adducts
US3658656A (en) * 1968-11-07 1972-04-25 Takeda Chemical Industries Ltd Purification of xylylene organic diisocyanate by fractional distillation in the presence of an inert gas or superheated vapor of an organic solvent
US3897314A (en) * 1970-07-18 1975-07-29 Bayer Ag Process for removing distillation residue from crude isocyanates
GB1408745A (en) * 1970-09-23 1975-10-01 Res Ind Inc Method of recovering pure toluene diisocyanate from a polymeric residue product
US3729386A (en) * 1971-01-04 1973-04-24 Du Pont Organic isocyanate recovery process by distillation with a tar-thinning agent and a stripping agent
GB1353787A (en) * 1971-09-27 1974-05-22 Ici Ltd Process for the purification of isocyanates
US3892634A (en) * 1973-02-20 1975-07-01 Upjohn Co Separation of 2,4{40 {0 and 4,4{40 {0 methylene bis(phenyl isocyanate) from polymethylene polyphenyl polyisocyanates
US3912600A (en) * 1974-05-09 1975-10-14 Upjohn Co Recovery of polymethylene polyphenyl polyisocyanate from a phoshenosed polyamine feed
JPS5337852B2 (es) * 1974-06-04 1978-10-12
DE2846815A1 (de) * 1978-10-27 1980-05-08 Ayer Ag Verfahren zur aufarbeitung von isocyanat-destillationsrueckstaenden
DE2915830A1 (de) * 1979-04-19 1980-10-23 Basf Ag Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
SE8604441L (sv) * 1986-10-20 1988-04-21 Nobel Chematur Ab Sett att utvinna isocyanater
WO1990009990A1 (en) * 1989-03-03 1990-09-07 The Lubrizol Corporation A process for distillation of crude isocyanate concentrates

Also Published As

Publication number Publication date
DE59206781D1 (de) 1996-08-22
DE4142769A1 (de) 1993-06-24
TW330197B (en) 1998-04-21
CA2085947A1 (en) 1993-06-24
KR100230708B1 (ko) 1999-11-15
JP2916846B2 (ja) 1999-07-05
EP0548685B1 (de) 1996-07-17
US5354432A (en) 1994-10-11
ES2089353T3 (es) 1996-10-01
JPH05255228A (ja) 1993-10-05
EP0548685A3 (en) 1993-08-11
BR9205129A (pt) 1993-06-29
EP0548685A2 (de) 1993-06-30
KR930012693A (ko) 1993-07-21

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees